Home / 130,892.80-196,436.40-52,063.60

Finding the Fourth Proportional to 130,892.80, 196,436.40 and 52,063.60

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Solution

The fourth proportional to 130,892.80, 196,436.40 and 52,063.60 is: 78,134.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,892.80 : 196,436.40 = 52,063.60 : x
  2. Step 2: Convert to fraction form
    130,892.80/196,436.40 = 52,063.60/x
  3. Step 3: Cross multiply
    130,892.80x = 196,436.40 × 52,063.60
  4. Step 4: Simplify right side
    130,892.80x = 10,227,186,155.04
  5. Step 5: Solve for x
    x = 10,227,186,155.04/130,892.80
  6. Step 6: Final answer
    x = 78,134.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.